class Solution {
public:
    vector<int> findWordsContaining(vector<string>& words, char x) {
        vector<int> ret;
        
        for(int i=0;i<words.size();i++)
        {
            if(words[i].find(x)!=string::npos)
            {
                ret.push_back(i);
            }
        }

        return ret;
    }
};
